Advanced Logical Superposition Modulation based Video Streaming Multicast System over Wireless Networks

被引：0
|
作者：
Choi, Kyuhwi [1 ]
Song, Hwangjun [1 ]
机构：
[1] POSTECH Pohang Univ Sci & Technol, Pohang, South Korea
来源：
2012 ASIA-PACIFIC SIGNAL AND INFORMATION PROCESSING ASSOCIATION ANNUAL SUMMIT AND CONFERENCE (APSIPA ASC) | 2012年
关键词：
IPTV;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, we present an advanced logical superposition modulation based video streaming multicast system over a wireless networks. The traditional logical superposition modulation scheme generates symbols using a pre-fixed modulation scheme to overcome wireless channel diversity. In contrast, our proposed logical superposition modulation determines logical superposition modulation scheme according to time-varying wireless channel conditions in order to maximize overall network throughput, similar to state-of-art adaptive modulation schemes. in addition, two-layer SVC video streams are effectively mapped to the determined superposition modulation scheme to support better quality video streaming. Experimental results show the performance of our proposed system.
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页数：4
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